| Acronym | Definition |
|---|
| PFSG➣Parkour Family St. Gallen (St. Gallen, Switzerland) |
| PFSG➣Philippine Flight Simmers Group (flight simulator user group) |
| PFSG➣Professional Food Sensory Group |
| PFSG➣Pure-Flo Solutions Group |
| PFSG➣Probabilistic Finite State Grammar (computational linguistics) |
| PFSG➣Predictions Format Study Group (US NASA) |